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Making Metals Strong
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In this activity, learners demonstrate the effects of cold-working (strain-hardening) and annealing. Learners discover that these processes change the load that a wire can support.
Crystal Packin' Mama
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In this activity, learners investigate the basic crystal structures that metal atoms form.
Stretching Wires
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In this activity, learners determine the elastic and plastic properties of different types of metal wires.